Diff: Display/TFT.cpp

Revision:

2:713844a55c4e

Child:

3:48f3282c2be8

diff -r ff019d22b275 -r 713844a55c4e Display/TFT.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Display/TFT.cpp	Fri Feb 13 23:17:55 2015 +0000
@@ -0,0 +1,154 @@
+#include "TFT.h"
+
+//#include "mbed_debug.h"
+
+#define SWAP(a, b)  { a ^= b; b ^= a; a ^= b; }
+
+TFT::TFT(proto_t displayproto, PortName port, PinName CS, PinName reset, PinName DC, PinName WR, PinName RD, const int lcdsize_x, const int lcdsize_y, const char *name)
+    : GraphicsDisplay(name), LCDSIZE_X(lcdsize_x), LCDSIZE_Y(lcdsize_y)
+{
+    if(displayproto==PAR_8) proto = new PAR8(port, CS, reset, DC, WR, RD);
+    useNOP=false;
+    set_orientation(0);
+    foreground(White);
+    background(Black);
+    set_auto_up(false); //we don't have framebuffer
+    mipistd=false;
+  //  cls();
+  //  locate(0,0);
+}
+TFT::TFT(proto_t displayproto, int Hz, PinName mosi, PinName miso, PinName sclk, PinName CS, PinName reset, PinName DC, const int lcdsize_x, const int lcdsize_y, const char *name)
+    : GraphicsDisplay(name), LCDSIZE_X(lcdsize_x), LCDSIZE_Y(lcdsize_y)
+{
+    if(displayproto==SPI_8)
+    {
+        proto = new SPI8(Hz, mosi, miso, sclk, CS, reset, DC);
+        useNOP=false;
+    }
+    else if(displayproto==SPI_16)
+    {
+        proto = new SPI16(Hz, mosi, miso, sclk, CS, reset, DC);
+        useNOP=true;
+    }
+  //  cls();
+    set_orientation(0);
+    foreground(White);
+    background(Black);
+    set_auto_up(false);
+    mipistd=false;
+  //  locate(0,0);
+}
+void TFT::wr_cmd8(unsigned char cmd)
+    {
+        if(useNOP) proto->wr_cmd16(cmd); // 0x0000|cmd, 00 is NOP cmd for TFT
+        else proto->wr_cmd8(cmd);
+    }
+void TFT::wr_data8(unsigned char data)
+    {
+        proto->wr_data8(data);
+    }
+void TFT::wr_data8(unsigned char data, unsigned int count)
+    {
+        proto->wr_data8(data, count);
+    }
+void TFT::wr_data8buf(unsigned char* data, unsigned int lenght)
+    {
+        proto->wr_data8buf(data, lenght);
+    }
+void TFT::wr_cmd16(unsigned short cmd)
+    {
+        proto->wr_cmd16(cmd);
+    }
+void TFT::wr_data16(unsigned short data)
+    {
+        proto->wr_data16(data);
+    }
+void TFT::wr_data16(unsigned short data, unsigned int count)
+    {
+        proto->wr_data16(data, count);
+    }
+void TFT::wr_data16buf(unsigned short* data, unsigned int lenght)
+    {
+        proto->wr_data16buf(data, lenght);
+    }
+void TFT::hw_reset()
+    {
+        proto->hw_reset();
+    }
+void TFT::BusEnable(bool enable)
+    {
+        proto->BusEnable(enable);
+    }
+// color TFT can rotate in hw (swap raw<->columns) for landscape views
+void TFT::set_orientation(int o)
+{
+    orientation = o;
+    wr_cmd8(0x36);
+    switch (orientation) {
+        case 0:// default, portrait view 0°
+            if(mipistd) wr_data8(0x0A); // this is in real a vertical flip enabled, seems most displays are vertical flipped
+            else wr_data8(0x48); //48 for 9341
+            set_width(LCDSIZE_X);
+            set_height(LCDSIZE_Y);
+            break;
+        case 1:// landscape view +90°
+            if(mipistd) wr_data8(0x28); 
+            else wr_data8(0x29);//28 for 9341
+            set_width(LCDSIZE_Y);
+            set_height(LCDSIZE_X);
+            break;
+        case 2:// portrait view +180°
+            if(mipistd) wr_data8(0x09); 
+            else wr_data8(0x99);//88 for 9341
+            set_width(LCDSIZE_X);
+            set_height(LCDSIZE_Y);
+            break;
+        case 3:// landscape view -90°
+            if(mipistd) wr_data8(0x2B); 
+            else wr_data8(0xF8);//E8 for 9341
+            set_width(LCDSIZE_Y);
+            set_height(LCDSIZE_X);
+            break;
+    }
+}
+// TFT have both column and raw autoincrement inside a window, with internal counters
+void TFT::window(int x, int y, int w, int h)
+{
+    //ili9486 does not like truncated 2A/2B cmds, at least in par mode
+    //setting only start column/page would speedup, but needs a windowmax() before, maybe implement later
+    wr_cmd8(0x2A);
+    wr_data16(x);   //start column
+    wr_data16(x+w-1);//end column
+
+    wr_cmd8(0x2B);
+    wr_data16(y);   //start page
+    wr_data16(y+h-1);//end page
+    
+    wr_cmd8(0x2C);  //write mem, just send pixels color next
+}
+//for TFT, just send data, position counters are in hw
+void TFT::window_pushpixel(unsigned short color)
+{
+    proto->wr_data16(color);
+}
+void TFT::window_pushpixel(unsigned short color, unsigned int count)
+{
+    proto->wr_data16(color, count);
+}
+void TFT::window_pushpixelbuf(unsigned short* color, unsigned int lenght)
+    {
+        proto->wr_data16buf(color, lenght);
+    }
+void TFT::pixel(int x, int y, unsigned short color)
+{
+    window(x,y,1,1);
+    wr_data16(color);   // 2C expects 16bit parameters
+    //proto->wr_data16(color);
+}
+void TFT::cls (void)
+{
+    WindowMax();
+  //  wr_data16(_background,pixels);
+    wr_data16(0,LCDSIZE_X*LCDSIZE_Y);
+    //proto->wr_data16(_background,pixels);
+}
\ No newline at end of file